Regolith stratigraphy at the Chang'E-3 landing site as seen by lunar penetrating radar
The Chang'E‐3 lunar penetrating radar (LPR) observations at 500 MHz reveal four major stratigraphic zones from the surface to a depth of ~20 m along the survey line: a layered reworked zone (
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| Veröffentlicht in: | Geophysical research letters 2015-12, Vol.42 (23), p.10,179-10,187 |
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| container_title | Geophysical research letters |
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| creator | Fa, Wenzhe Zhu, Meng-Hua Liu, Tiantian Plescia, Jeffrey B. |
| description | The Chang'E‐3 lunar penetrating radar (LPR) observations at 500 MHz reveal four major stratigraphic zones from the surface to a depth of ~20 m along the survey line: a layered reworked zone ( |
| doi_str_mv | 10.1002/2015GL066537 |
| format | Article |
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Key Points
Chang'E‐3 high‐frequency lunar penetrating radar observations are presented
Four major stratigraphic zones at the Chang'E‐3 landing site are observed
Regolith accumulation rate is at least 4–8 times higher than previous estimation</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1002/2015GL066537</identifier><language>eng</language><publisher>Washington: Blackwell Publishing Ltd</publisher><subject>Accumulation ; Age ; Basalt ; Chinese spacecraft ; Craters ; Deposition ; Depth ; Ejecta ; Ejection ; Landing sites ; Lunar exploration ; Lunar landing ; lunar penetrating radar ; paleoregolith ; Radar ; Regolith ; regolith thickness ; Rock ; Rocks ; Stratigraphy ; Surveying</subject><ispartof>Geophysical research letters, 2015-12, Vol.42 (23), p.10,179-10,187</ispartof><rights>2015. American Geophysical Union. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a5421-cb596e660650e7d9ab7088e73a6e1284867dd76c0aeda69aedd7eaf611c3fc913</citedby><cites>FETCH-LOGICAL-a5421-cb596e660650e7d9ab7088e73a6e1284867dd76c0aeda69aedd7eaf611c3fc913</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2F2015GL066537$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2F2015GL066537$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,11493,27901,27902,45550,45551,46384,46443,46808,46867</link.rule.ids></links><search><creatorcontrib>Fa, Wenzhe</creatorcontrib><creatorcontrib>Zhu, Meng-Hua</creatorcontrib><creatorcontrib>Liu, Tiantian</creatorcontrib><creatorcontrib>Plescia, Jeffrey B.</creatorcontrib><title>Regolith stratigraphy at the Chang'E-3 landing site as seen by lunar penetrating radar</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>The Chang'E‐3 lunar penetrating radar (LPR) observations at 500 MHz reveal four major stratigraphic zones from the surface to a depth of ~20 m along the survey line: a layered reworked zone (<1 m), an ejecta layer (~2–6 m), a paleoregolith layer (~4–11 m), and the underlying mare basalts. The reworked zone has two to five distinct layers and consists of surface regolith. The paleoregolith buried by the ejecta from a 500 m crater is relatively homogenous and contains only a few rocks. Population of buried rocks increases with depth to ~2 m at first, and then decreases with depth, representing a balance between initial deposition of the ejecta and later turnover of the regolith. Combining with the surface age, the LPR observations indicate a mean accumulation rate of about 5–10 m/Gyr for the surface regolith, which is at least 4–8 times larger than previous estimation.
Key Points
Chang'E‐3 high‐frequency lunar penetrating radar observations are presented
Four major stratigraphic zones at the Chang'E‐3 landing site are observed
Regolith accumulation rate is at least 4–8 times higher than previous estimation</description><subject>Accumulation</subject><subject>Age</subject><subject>Basalt</subject><subject>Chinese spacecraft</subject><subject>Craters</subject><subject>Deposition</subject><subject>Depth</subject><subject>Ejecta</subject><subject>Ejection</subject><subject>Landing sites</subject><subject>Lunar exploration</subject><subject>Lunar landing</subject><subject>lunar penetrating radar</subject><subject>paleoregolith</subject><subject>Radar</subject><subject>Regolith</subject><subject>regolith thickness</subject><subject>Rock</subject><subject>Rocks</subject><subject>Stratigraphy</subject><subject>Surveying</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqFkctOwzAQRS0EEuWx4wMssYAFgXGc2PESKihIpTzEQ2JjTZNpGwhJsVNB_x5DEUIsYDMzi3NHM_cytiVgXwDEBzGItNcHpVKpl1hHmCSJMgC9zDoAJsyxVqtszftHAJAgRYfdXdO4qcp2wn3rsC3HDqeTOceWtxPi3QnW453jSPIK66Ksx9yXLXH03BPVfDjn1axGx6dU06c8EA4LdBtsZYSVp82vvs5uT45vuqdR_6J31j3sR5gmsYjyYWoUKQUqBdKFwaGGLCMtUZGIsyRTuii0ygGpQGVCLTThSAmRy1FuhFxnu4u9U9e8zMi39rn0OVXhXGpm3orwfhqsAfU_qnUwLsmMCej2L_Sxmbk6PGKFEZApqXXyJ6VDAolUkAVqb0HlrvHe0chOXfmMbm4F2I_U7M_UAh4v8NeyovmfrO1d90OLP1yIFqLSt_T2LUL3ZJWWOrX3g559GJwP7q8uwR7Jd7DupOo</recordid><startdate>20151216</startdate><enddate>20151216</enddate><creator>Fa, Wenzhe</creator><creator>Zhu, Meng-Hua</creator><creator>Liu, Tiantian</creator><creator>Plescia, Jeffrey B.</creator><general>Blackwell Publishing Ltd</general><general>John Wiley & Sons, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7TN</scope><scope>8FD</scope><scope>F1W</scope><scope>FR3</scope><scope>H8D</scope><scope>H96</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><scope>L7M</scope><scope>7UA</scope><scope>C1K</scope></search><sort><creationdate>20151216</creationdate><title>Regolith stratigraphy at the Chang'E-3 landing site as seen by lunar penetrating radar</title><author>Fa, Wenzhe ; Zhu, Meng-Hua ; Liu, Tiantian ; Plescia, Jeffrey B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a5421-cb596e660650e7d9ab7088e73a6e1284867dd76c0aeda69aedd7eaf611c3fc913</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Accumulation</topic><topic>Age</topic><topic>Basalt</topic><topic>Chinese spacecraft</topic><topic>Craters</topic><topic>Deposition</topic><topic>Depth</topic><topic>Ejecta</topic><topic>Ejection</topic><topic>Landing sites</topic><topic>Lunar exploration</topic><topic>Lunar landing</topic><topic>lunar penetrating radar</topic><topic>paleoregolith</topic><topic>Radar</topic><topic>Regolith</topic><topic>regolith thickness</topic><topic>Rock</topic><topic>Rocks</topic><topic>Stratigraphy</topic><topic>Surveying</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fa, Wenzhe</creatorcontrib><creatorcontrib>Zhu, Meng-Hua</creatorcontrib><creatorcontrib>Liu, Tiantian</creatorcontrib><creatorcontrib>Plescia, Jeffrey B.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Technology Research Database</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Geophysical research letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fa, Wenzhe</au><au>Zhu, Meng-Hua</au><au>Liu, Tiantian</au><au>Plescia, Jeffrey B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Regolith stratigraphy at the Chang'E-3 landing site as seen by lunar penetrating radar</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>2015-12-16</date><risdate>2015</risdate><volume>42</volume><issue>23</issue><spage>10,179</spage><epage>10,187</epage><pages>10,179-10,187</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><abstract>The Chang'E‐3 lunar penetrating radar (LPR) observations at 500 MHz reveal four major stratigraphic zones from the surface to a depth of ~20 m along the survey line: a layered reworked zone (<1 m), an ejecta layer (~2–6 m), a paleoregolith layer (~4–11 m), and the underlying mare basalts. The reworked zone has two to five distinct layers and consists of surface regolith. The paleoregolith buried by the ejecta from a 500 m crater is relatively homogenous and contains only a few rocks. Population of buried rocks increases with depth to ~2 m at first, and then decreases with depth, representing a balance between initial deposition of the ejecta and later turnover of the regolith. Combining with the surface age, the LPR observations indicate a mean accumulation rate of about 5–10 m/Gyr for the surface regolith, which is at least 4–8 times larger than previous estimation.
Key Points
Chang'E‐3 high‐frequency lunar penetrating radar observations are presented
Four major stratigraphic zones at the Chang'E‐3 landing site are observed
Regolith accumulation rate is at least 4–8 times higher than previous estimation</abstract><cop>Washington</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/2015GL066537</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| source | Wiley Free Content; Wiley-Blackwell AGU Digital Library; Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Accumulation Age Basalt Chinese spacecraft Craters Deposition Depth Ejecta Ejection Landing sites Lunar exploration Lunar landing lunar penetrating radar paleoregolith Radar Regolith regolith thickness Rock Rocks Stratigraphy Surveying |
| title | Regolith stratigraphy at the Chang'E-3 landing site as seen by lunar penetrating radar |
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